octosyllabic

[ ok-toh-si-lab-ik ]

/ ˌɒk toʊ sɪˈlæb ɪk /

consisting of or pertaining to eight syllables.

an octosyllable.

Origin of octosyllabic

1765–75; < Late Latin octōsyllab(us) (< Greek, equivalent to oktō- octo- + -syllabos syllabic) + -ic

This is also in octosyllabic verses, and is further remarkable for the opulence of its imagery and its variety of description.

English Literature, Considered as an Interpreter of English History |Henry Coppee
Mr. Gosse speaks of Parnell's employment of the octosyllabic couplet in this poem as "wonderfully subtle and harmonious."

English Verse |Raymond MacDonald Alden, Ph.D.
The poem was left unfinished; it is written in octosyllabic couplets, with four accents or beats.

A Literary History of the English People |Jean Jules Jusserand
His chief work is his translation of Virgil's Æneid in the octosyllabic metre of Scott (1861-68).

A Short Biographical Dictionary of English Literature |John W. Cousin

Most of the jongleurs who wrote these merry and indecent tales in octosyllabic verse were persons of less distinction.

Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 |Various